String.Format("{0:g}", DateTime.Now);

This outputs the current date and time in the following format: 8/05/2007 11:13 AM

Formats Include

{0:d} : 8/21/2007 (short date)
{0:D} : Tuesday, 21 August 2007 (long Date)
{0:f} : Tuesday, 21 August 2007 11:13 AM (full short)
{0:F} : Tuesday, 21 August 2007 11:13:17 AM (Full long)
{0:g} : 21/08/2007 11:13 AM (general)
{0:G} : 21/08/2007 11:13:17 AM (General long)
{0:m} : 21 August (month day)
{0:o} : 2007-08-21T11:13:17.4687500+10:00 (round trip)
{0:R} : Tue, 21 August 2007 11:13:17 GMT (RFC1123 pattern)
{0:s} : 2007-08-21T11:13:17 (sortable)
{0:t} : 11:13 AM (short time)
{0:T} : 11:13:17 AM (long Time)
{0:u} : 2007-08-21 11:13:17Z (universal)
{0:U} : Tuesday, 21 August 2007 1:13:17 AM (Universal GMT)
{0:Y} : August 2007 (Year month)


{0:dd} - 06 (day)
{0:ddd} - Sat (day abbr)
{0:dddd} - Saturday (day full)
{0:fff} - 692 (second fraction)
{0:gg} - A.D. (era)
{0:hh} - 07 (12 hour)
{0:HH} - 19 (24 hour)
{0:mm} - 21 (minute)
{0:MM} - 01 (month)
{0:MMM} - Jan (month abbr)
{0:MMMM} - January (month full)
{0:ss} - 29 (seconds)
{0:tt} - PM (am/pm)
{0:yy} - 07 (year)
{0:yyyy} -2007 (year full)
{0:zz} -08 (timezone)
{0:zzz} -08:00 (timezone full)
{0:hh:mm:ss} -7:21:29 (separators)
{0:MM/dd/yyyy} -1/06/2007 (separators)